Perhaps you should try some spelling variations:
tranh chua » tranh cua, trinh chuan, tranh chap
chieu sach » chinh sach, chiet tach, chieu sang
chua dong » cua dong, ha dong, huy dong
dong cong » duong cong, dung cong, dang cong
chi sach » chinh sach, co sach, moi sach
cong san » cong tac
chat cau » chat cam, chat cao, chat va
chat bao » chat ban, thuat bao, nhat ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chi sach) or (chieu sach)) - canh tranh chua dong cong san ((chat cau) or (chat bao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi sach) OR (chieu sach)) - canh tranh chua dong cong san ((chat cau) OR (chat bao)).
• Adding a wildcard symbol may retrieve word variants: doi ((chi sach) or (chieu sach)) - canh tranh chua dong cong san ((chat cau) or (chat bao))*.